During New Year the kids love lighting firecrackers.
Tips
culture
In mahjong, 点炮 means discarding the exact tile another player needs to declare 胡 (win). The discarder usually pays the full hand value to the winner under 点炮包 rules.
memory
Literal meaning is 'to light the cannon' — in mahjong, you 'fire the cannon' that blows up your own wallet.